Answer:
B, the introduction of chariots by Indo-Aryans
Step-by-step explanation:
This is the correct Answer on Khan Academy :)
i pretty sure its B beceuse A doesn't hake sence C cant be it because it doesn't talk at all about a war and D doesn't seem right either because it doesn't describe how they made it or what its use was for.
6.2m questions
8.1m answers